Westinghouse Electric Company HNC31200F Circuit Breaker

Description:

The Westinghouse HNC31200F U Circuit Breaker is used in industrial electrical distribution systems to provide high-capacity overcurrent and short-circuit protection for three-phase power circuits and critical electrical equipment. Commonly installed in switchgear assemblies, power distribution systems, motor control centers, and industrial utility infrastructure where dependable high-amperage circuit interruption and selective trip protection are required. Maintenance teams, electricians, and facility operators use this breaker for replacement of aging protection equipment, power system upgrades, and preventative maintenance of large-scale electrical distribution systems.

Applications:

The Westinghouse HNC31200F circuit breaker is commonly used in manufacturing facilities, utility substations, industrial processing plants, commercial power distribution systems, and heavy-duty motor control applications where reliable 1200 amp circuit protection and dependable fault interruption are critical for electrical safety and operational continuity. The breaker is designed for high interrupting capacity applications with long-time and short-time trip functionality for selective coordination in industrial power systems.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HNC31200F U
• Product Type: Molded Case Circuit Breaker
• Breaker Series: HNC
• Number of Poles: 3 Pole
• Current Rating: 1200 Amp
• Voltage Rating: 600 Volt AC
• Interrupt Rating: 65kA @ 240VAC
• Interrupt Rating: 50kA @ 480VAC
• Interrupt Rating: 25kA @ 600VAC
• Trip Function: Long-Time and Short-Time Protection
• Trip Technology: Electronic / Solid State Trip
• Mounting Type: Panel / Switchgear Mounted
• Application: Industrial electrical distribution systems
• Function: Overcurrent and short-circuit protection
• Compatible Equipment: Switchboards and motor control centers
• Usage Environment: Commercial and industrial electrical systems
• Designed For: High-capacity power distribution applications

Common Replacements:

• Eaton HND31200
• Cutler-Hammer HNC31200F
• Westinghouse HNCA31200F